Konfig

Konfig is a multiloader config library for Minecraft mods.

It gives you a typed API, side-aware config scopes (CLIENT, COMMON, SERVER), and built-in server to client sync for shared values.

What You Get

Typed config values in common code
Category-based builder API (push / pop)
Runtime validation and fallback to defaults
Built-in sync modes (NONE, LOGIN, LOGIN_AND_RELOAD)
Commented TOML config files at config/<modid>/<name>.toml
Built-in config screen generation for registered handles with auto-save status
Rich generated editors for string lists and RGB/ARGB color values
Registry-backed autocomplete for string and string-list entries
Fabric ModMenu integration (modmenu entrypoint)
Forge and NeoForge config button integration in the mod list
Fabric + Forge support across old and new versions
NeoForge support on modern versions

Pics

Supported Versions

Minecraft	Fabric	Forge	NeoForge
1.21.11	yes	yes	yes
1.21.10	yes	yes	yes
1.21.1	yes	yes	yes
1.20.1	yes	yes	no
1.19.2	yes	yes	no
1.18.2	yes	yes	no
1.16.5	yes	yes	no

Quick Example

import com.iamkaf.konfig.api.v1.*;

public final class ExampleConfig {
    public static final ConfigHandle HANDLE;
    public static final ConfigValue<Boolean> ENABLED;
    public static final ConfigValue<Integer> RANGE;

    static {
        ConfigBuilder builder = Konfig.builder("examplemod", "common")
                .scope(ConfigScope.COMMON)
                .syncMode(SyncMode.LOGIN)
                .comment("Example mod config");

        builder.push("general");
        builder.categoryComment("General gameplay tuning");
        ENABLED = builder.bool("enabled", true)
                .comment("Master toggle")
                .sync(true)
                .build();

        RANGE = builder.intRange("range", 8, 1, 64)
                .comment("Effect radius")
                .sync(true)
                .restart(RestartRequirement.WORLD)
                .build();
        builder.pop();

        HANDLE = builder.build();
    }
}